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    <center>Scilab Function</center>
    <div align="right">Last update : April 1993</div>
    <p>
      <b>cont_frm</b> -  transfer to controllable state-space</p>
    <h3>
      <font color="blue">Calling Sequence</font>
    </h3>
    <dl>
      <dd>
        <tt>[sl]=cont_frm(NUM,den)  </tt>
      </dd>
    </dl>
    <h3>
      <font color="blue">Parameters</font>
    </h3>
    <ul>
      <li>
        <tt>
          <b>NUM</b>
        </tt>: polynomial matrix</li>
      <li>
        <tt>
          <b>den</b>
        </tt>: polynomial</li>
      <li>
        <tt>
          <b>sl</b>
        </tt>: <tt>
          <b>syslin</b>
        </tt> list, <tt>
          <b>sl=[A,B,C,D]</b>
        </tt>.</li>
    </ul>
    <h3>
      <font color="blue">Description</font>
    </h3>
    <p>
    controllable state-space form of the transfer <tt>
        <b>NUM/den</b>
      </tt>.</p>
    <h3>
      <font color="blue">Examples</font>
    </h3>
    <pre>

s=poly(0,'s');NUM=[1+s,s];den=s^2-5*s+1;
sl=cont_frm(NUM,den); 
slss=ss2tf(sl);       //Compare with NUM/den
 
  </pre>
    <h3>
      <font color="blue">See Also</font>
    </h3>
    <p>
      <a href="tf2ss.htm">
        <tt>
          <b>tf2ss</b>
        </tt>
      </a>,&nbsp;&nbsp;<a href="canon.htm">
        <tt>
          <b>canon</b>
        </tt>
      </a>,&nbsp;&nbsp;<a href="contr.htm">
        <tt>
          <b>contr</b>
        </tt>
      </a>,&nbsp;&nbsp;</p>
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